Driven Cheats...
All Cars
At the Main Menu, press Up, Down, Right, Right, Left, Up, Up, Down.
All Tracks
At the Main Menu, press Up, Up, Left, Down, Left, Right, Right.
Arcade Championships
At the Main Menu, press Right, Left, Up, Right, Down, Down, Left, Left.
Multiplayer Championships
At the Main Menu, press Left, DOwn, Left, Up, Right, Left, Down, Right.
Story Mode
At the Main Menu, press Down, Left, Up, Right, Right, Up, Down.